CN105361488B - Chair and furniture - Google Patents
Chair and furniture Download PDFInfo
- Publication number
- CN105361488B CN105361488B CN201510836650.4A CN201510836650A CN105361488B CN 105361488 B CN105361488 B CN 105361488B CN 201510836650 A CN201510836650 A CN 201510836650A CN 105361488 B CN105361488 B CN 105361488B
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- Prior art keywords
- backrest
- toe board
- resistance
- chair
- component
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
- A47C1/0345—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest characterised by foot-rests actuated by lazy-tongs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
- A47C1/0355—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest actuated by linkages, e.g. lazy-tongs mechanisms
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
- A47C7/5066—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type by rotation
- A47C7/5068—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type by rotation actuated by linkages
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
The invention discloses chairs and furniture.The chair includes seat part, backrest, friction plate, resistance assembly and extension spring, the extension spring is connected to this and leans on back, wherein when the angle of the backrest is between a stand up position and a centre position, the extension spring is adiaphorous, wherein when the angle of the backrest is between the centre position and complete position of swaying, which leans on this mobile offer resistance backwards to a complete position of swaying.The furniture includes the backrest that can be swayed, by the way that user leans on backward, to activate between a stand up position and a complete position of swaying be ad infinitum to adjust to the backrest, wherein, first level resistance is undergone in reclining motion of the backrest between the stand up position and a centre position, and the second horizontal resistance is undergone in the reclining motion between the centre position and the complete position of swaying, which is more than the first level resistance.
Description
Divisional application
The application be the applying date be on March 29th, 2012, application No. is 201280015832.X, entitled " chaise longues "
Chinese patent application divisional application.
Related application
It is described this application claims the equity for the U.S. Provisional Patent Application No. 61/516,134 that on March 30th, 2011 submits
Temporary patent application is incorporated herein by reference.
Technical field
The present invention relates to furniture, and more particularly to chaise longue.
Invention content
An invention according to the present invention, provides a kind of chair, including：
One seat part, there are one front, a rear portion and both sides for seat part tool；
One backrest, the backrest are extended with an angle from the seat part, and the angle of the wherein backrest is adjustable；
One friction plate, the friction plate are positioned adjacent to a pivotal point of the backrest；
One resistance assembly；And
One extension spring, the extension spring are connected to this and lean on back, wherein when the angle of the backrest is in one uprightly
When between position and a centre position, which is adiaphorous, wherein the angle when the backrest is in the interposition
When setting between a complete position of swaying, which leans on this mobile offer resistance backwards to the complete position of swaying.
According to the second aspect of the invention, a kind of chair is provided, including：
One rest frame, the rest frame have：
One stationary base,
One pillar, the pillar are shelved in the stationary base, and
One bottom plate, the bottom plate are fixedly mounted on a upper end of the pillar so that the bottom plate is static relative to this
Pedestal is pivotable；
One chassis, the chassis are fixedly mounted on the bottom plate and are mounted on a right and left handrail installation frame
On, at least one handrail has the knob being located near preceding part and an anchor near rear part, the knob removable
It is bonded on dynamicly in a slit of a mounting plate, and the anchor is movably supported a backboard；
One backrest, the backrest are connected on the backboard；
One foot rest component；And
One seat mount, the seat mount are removably couplable to the foot rest component and should lean on back, and opposite
It is suspended on these knobs and anchor in the rest frame；
Wherein expansion of the foot rest component from a closed position to an extended position and the backrest is upright from one
Position is unrelated to swaying for position of swaying, and
Wherein, when the backrest module is swayed, the seat mount and the backrest module are upwardly and forwardly.
According to the third aspect of the present invention, a kind of furniture is provided, including：
One backrest that can be swayed, the backrest are leaned on by user and activated into a stand up position and one backward
It is ad infinitum to adjust between complete position of swaying；
Wherein, first level resistance is undergone in reclining motion of the backrest between the stand up position and a centre position
Power, and the second horizontal resistance is undergone in the reclining motion between the centre position and the complete position of swaying, second water
Flat resistance is more than the first level resistance.
According to the fourth aspect of the present invention, a kind of furniture is provided, including：
One backrest that can be swayed, the backrest are leaned on by user and are actuated in a stand up position and one backward
It is ad infinitum to adjust between a complete position of swaying；With
One resistance device, the resistance device advance to the position of swaying completely in the backrest for generating from the stand up position
The power of the variable quantity of the reclining motion of the backrest is resisted when setting.
The first embodiment of the present invention is a kind of chair.As used herein, term " chair " includes being similar to chair
Appoint a piece of furniture, such as a part for sofa.There is the chair seat part, the seat part to have front, rear portion and both sides.
The chair also has there are one toe board, which is adjustable between following at least two position：One retracted position
With an extended position.In extended position, which stretches out from seat part cantilevered.The chair also has multiple components,
These components are connected with multiple connecting rods, to allow each component to be pivoted relative to each other.Multiple component is adapted to use
In toe board is retained on retracted position and toe board is supported on extended position.The chair also has there are one lid, when putting
When sole is in extended position and from lateral location, which hides multiple connecting rod.
In a related embodiment, toe board includes a fin-shaped panel of a main panel and the neighbouring main panel
(flipper panel).The fin-shaped panel forms a panel angle with the main panel.Multiple component makes, from toe board
When being in extended position to toe board when retracted position, which increases.
In another related embodiment, which further includes a backrest, and the backrest is adjacent to the rear portion of seat part
And extended from seat part by dorsal horn with one.It should be independently of leg rest Board position and adjustable by dorsal horn.
In another related embodiment, which further includes a pivotal point of neighbouring backrest and the friction that positions
One knob of plate, a compressed spring of the neighbouring friction plate and the neighbouring compressed spring.The knob can be adjusted with
Change the amount for the required power that makes to change by dorsal horn.
In another related embodiment, the chair further include multiple side walls being connected on seat part both sides, with
And more than the second a components for being connected to each other and being connected on multiple component with more than second a connecting rods.Extend when toe board is in
Position and when from lateral location, these side walls hide more than second a component.
Another embodiment is a kind of chair with seat part, which includes front, rear portion and both sides.It should
Chair further includes a toe board, which is adjustable between following at least two position：One retracted position and
One extended position.In extended position, which stretches out from seat part cantilevered.The chair further includes being adapted for
At least one component for making toe board be moved between the extended position in this retracted position.The chair further includes one with valve
A cylinder.The cylinder is connected at least one component.When the valve closes, which by least one component and is somebody's turn to do
Toe board locking is in place；And when valve is open, which allows at least one component and the toe board to move.
In a related embodiment, which is to be adapted to make toe board in retracted position and extension bit jointly
A component in the multiple components moved between setting.
Another embodiment is a kind of chair for having seat part and backrest, the seat part have front, rear portion and
Both sides, and the backrest extends from seat part at an angle.The angle of the backrest is adjustable.The chair further includes neighbour
One pivotal point of nearly backrest and the friction plate positioned.The chair further include the neighbouring friction plate a compressed spring,
An and knob of the neighbouring compressed spring.The knob, which can be adjusted to alter, makes the required power that changes by dorsal horn
Amount.The chair further includes a spring being connected to by back.It, should when being between stand up position and centre position by dorsal horn
Spring is adiaphorous.When by dorsal horn it is in an intermediate position between complete position of swaying when, the spring to lean on backwards to completely tiltedly
The mobile offer resistance of position is provided.
In relevant embodiment, which further comprises being connected to a link component by back.The connecting rod structure
Part limits compressed spring relative to the movement of friction plate between the first location and the second location.When backrest is in upright
When position, which is in first position.When backrest is moved to centre position from stand up position, which advances
To the second position.
Another embodiment is a kind of chair for having support construction and seat part.The seat part is installed in support
In structure and limit a nearly horizontal plane.The chair further include one installation on the support structure sway lean on
The back of the body.The backrest can move between nearly vertical position and position of swaying.The chair further include can retracted position with
The toe board adjusted between extended position.The toe board and the backrest define the cephalocaudal direction relative to seat.The toe board
With the first section and the second section.The edge of each section almost with the adjacent and each section in the edge of another section also
There are one upper surfaces for tool.It is almost horizontal and is coplanar in the upper surface of the extended position of toe board, each section, and
First section is closest to seat part.In the retracted position of toe board, the upper surface of the first section be almost it is vertical, and second
The upper surface of section is almost horizontal and downwards.The toe board is by the slider assembly branch including a pair of of long connecting rod
Support.Each long connecting rod is installed in the support knot by a pair of almost parallel support link near the first end of the long connecting rod
On structure so that these long connecting rods are arranged in the plane of general horizontal and are moveable on cephalocaudal direction.The cantilever
Component further comprises first pair and second pair of toe board connecting rod.The first end of each of first pair of toe board connecting rod couples
Onto the second end of the respective link in these long connecting rods, and each of second pair of toe board connecting rod is connected to first pair
In the second end of respective link in toe board connecting rod.Therefore, first pair of toe board link supports lives the first toe board section, and
Second pair of toe board link supports lives the second toe board section.The chair further includes a pair of of toe board expansion module.Each module
Including a power transmission chain, which is disposed adjacent to and along one of these long connecting rods.These long connecting rods are complete
Be arranged on the lower section of seat part and the slider assembly occupy a vertical compact space, the height in the space almost by
The length of these support links limits.
Another embodiment is a kind of chair for having support construction and seat part, which is installed in support
In structure and limit a nearly horizontal plane.The chair includes a backrest that can be swayed, which is installed in branch
It is moveable on support structure and between nearly vertical position and position of swaying.The chair further includes one in retraction position
Set the adjustable toe board between extended position.The toe board and the backrest limit the cephalocaudal direction relative to seat.The chair
Son further includes a cylinder, which has：(i) it is connected in chair different from one first on a component of toe board
End, (ii) is connected to a second end on toe board, and (iii) valve, and the first end and second end of the cylinder is in valve
With basic between this both ends with the adjustable interval between this both ends and when valve is closed when opening
Upper fixed interval.One actuator (for example, a lever) is configured relative to toe board and support construction, to make to put
Sole can be locked between retracted position and extended position and include a desired locations of retracted position and extended position
On.The actuator is moveably coupled in support construction and is also coupled on the valve.The actuator has：First position,
Wherein valve is closed；The second position, wherein (i) valve is opened and (ii) actuator is engaged with a component, which is connected to
On toe board and it is configured for pushing toe board to extended position when toe board is in a retracted position.The actuator quilt
It is spring-biased to first position.Actuator is moved to the second position, toe board can be made to be pushed to extended position；And in toe board
Actuator is discharged when reaching desired locations, makes toe board locking in the position.
In a related embodiment, which includes between the first location and the second location a centre position, at this
The middle position valve is opened, but actuator is not engaged with the component.In a related embodiment, the first end of cylinder is joined
The component connect is seat part, and wherein the seat part is mounted for when backrest is swayed relative to backrest to Forward
It is dynamic, and make when seat part moves forward, the toe board in seat part is connected to by cylinder and is also moved forward.
Another embodiment is a kind of chair for having seat part and toe board, and the toe board is at following at least two
It is adjustable between setting：One retracted position and an extended position.The chair further includes one be connected in seat part
A installation component and a primary supporting member for supporting toe board.One installing arm is pivotably connected to the installation structure
It on part and is pivotably connected on the primary supporting member, so that the primary supporting member is relative to the installation structure
Part is swingable.The chair further include an actuation link component being pivotably connected on installation component and pivotably
The intermediate connecting rod component that ground is connected on the actuation link component and is pivotably connected in the installing arm, makes in this way
When the proper actuation link component pivots, power is sent to installing arm.The chair further comprises being connected to the actuation link structure
A force applicator on part.There are one locking mode and a force modes for force applicator tool, wherein in a locking mode, it should
Force applicator locks actuation link component and toe board in place, and under force mode, the force applicator is to actuation link component
Apply a power, to make actuation link component pivot and push toe board to extended position.
In a related embodiment, which further comprises a two level arm, which is pivotably connected to installation
It on component and is pivotably connected on primary supporting member, to be swung relative to the installation component when primary supporting member
When the orientation of primary supporting member is controlled.In a relevant embodiment, which, which includes one, has valve
Cylinder, wherein when the valves are closed, which is under locking mode, and when valve is open, force applicator is in power mould
Under formula.
In a relevant embodiment, which further includes an actuating being moveably coupled on installation component
Device, the wherein actuator are with being spring-biased to first position, and wherein, when actuator is pushed to the second position, actuator
It is engaged with one of intermediate connecting rod component, installing arm and actuation link component so that actuator pushes toe board to extended position.
In another related embodiment, actuator is coupled in force applicator and makes the force applicator in locking mode and power mould
Switch between formula.
Another embodiment is such a chair, which has：Support construction；Installation on this support structure and
Limit the seat part of nearly horizontal plane；The backrest swayed of installation on the support structure, the backrest is nearly vertical
Position and position of swaying between be moveable；The adjustable toe board between retracted position and extended position.The leg rest
Plate and the backrest limit the cephalocaudal direction relative to seat.The toe board has the first section and the second section, and each area
The edge of section almost adjacent with the edge of another section and each section also have there are one upper surface.In the extension of toe board
Position, the upper surface of each section are almost horizontal and are coplanar, and the first section is closest to seat part.In toe board
Retracted position, the upper surface of the first section be almost it is vertical, and the upper surface of the second section be almost it is horizontal and towards
Lower section.The chair further includes：A slider assembly by supporting toe board including a pair of of long connecting rod, each long connecting rod exist
Its first end is nearby installed on the support structure by a pair of almost parallel support link so that these long connecting rods are set
It is moveable in the plane of general horizontal and on cephalocaudal direction；The first couple being connected on the slider assembly and second
To toe board connecting rod, wherein the first end of each of first pair of toe board connecting rod is connected to accordingly connecting in these long connecting rods
In the second end of bar, and each of second pair of toe board connecting rod is connected to the respective link in first pair of toe board connecting rod
Second end on, and first pair of toe board link supports is made to live the first toe board section and second pair of toe board link supports
Firmly the second toe board section；And module is unfolded in a pair of of toe board, each module includes a power transmission chain, the power transmission chain quilt
It is arranged adjacent to and along one of these long connecting rods.When toe board is in extended position, slider assembly occupies an extension
The vertical compact space in position, at each point between the front of seat part and the first section, the space is almost by these
Long connecting rod limits.
In a related embodiment, when the toe board of chair is in retracted position, these long connecting rods are set present completely
Below bit position and the slider assembly occupies the vertical compact space in a retracted position, and the height in the space is almost by these
The length of support link limits.
Another embodiment is a kind of chair with rest frame, which includes：One stationary base；It shelves
Pillar in the stationary base；The bottom plate being fixedly mounted on the pillar upper end so that the bottom plate is relative to the static bottom
Seat is pivotable；And a chassis, the chassis are fixedly mounted on bottom plate and pacify mounted on a right and left handrail
It frames up on frame.Each handrail has the knob being located near preceding part and the anchor near rear part.Each knob is removable
It is bonded on dynamicly in the slit of a mounting plate, which is connected on the frame of a mechanism of swaying, and the anchor is removable
A backboard is supported dynamicly, and a backrest is connected on the backboard.The mechanism of swaying includes foot rest component, one
A backrest module and it is removably couplable to the foot rest component and should be by a seat mount of back, and relative to quiet
Only frame hanging is on knob and anchor.Foot rest component from the closed to extended position expansion and backrest from stand up position to
Swaying for position of swaying is unrelated.In addition, when backrest module is swayed, seat mount and backrest module are upwardly and forwardly.
Description of the drawings
By reference to the detailed description carried out below with reference to attached drawing, the preceding feature of each embodiment will become apparent to,
Wherein：
Figure 1A is according to one embodiment of present invention from the perspective view in terms of each component side of chaise longue.
Figure 1B is according to one embodiment of present invention from the perspective view in terms of each component top of chaise longue.
Fig. 2A to Fig. 2 C is the side view of each component of the chaise longue embodiment of Fig. 1, and wherein each of these figures figure indicates
Chaise longue in different location：2A is upright chair position；2B is the positions TV；2C is complete position of swaying.
Fig. 3 and Fig. 4 is the side view of the rear part for making mechanism that the toe board in Fig. 1 embodiments opens and closes,
Its middle front part point stashes in figure 3.
Fig. 5 is the decomposition perspective view of the front foldable footrest supporter of the chaise longue embodiment of Fig. 1.
Fig. 6 is the decomposition perspective view of the foldable footrest support component part in Fig. 1 embodiments.
Fig. 7 is the perspective view of the mechanism in the backrest of swaying of the chaise longue embodiment of Fig. 1.
Fig. 8 is the top view of the clamp mechanism of the mechanism of Fig. 7.
Fig. 9 A to Fig. 9 C are to be depicted in the power applied in the operating process of toe board according to an embodiment of the invention
Schematic diagram.
Figure 10 A to Figure 10 I are the side view of the chaise longue and internal part of Fig. 1 embodiments, wherein each figure in these figures
Indicate the chaise longue in different location.
Figure 11 is the local perspective view of the component below the seat of the chair of Fig. 1 embodiments.
Specific implementation mode
Figure 1A shows the perspective view of multiple components of chaise longue 100 according to an embodiment of the invention.Figure 1B is shown
The perspective view seen at the top of right and left component.Fig. 2A be chair side view, wherein toe board it is in the closed position and
Backrest is in stand up position.The toe board and backrest are that Independent adjustable is whole, any one can be in any position in another one
When be adjusted.Fig. 2 B show the toe board fully extended when backrest is completely erected.Fig. 2 C are shown to sway completely in backrest
When the toe board in fully extended position.
As shown in Figures 1 A and 1 B 1, which includes stationary base 107, which is configured to flat and steady
Admittedly be placed on ground or floor.Rotating base 109 is rotationally coupled to stationary base 107 by pivot post 118
Center on, the pivot post support chair and allow chair around rotating base 109 axis rotate.In some embodiments
In, rotating base 109 can be adjustable relative to the height of stationary base 107, this so that the seat height of chair can be with
Variation.This can for example be realized by 120 mechanism of screw (being shown in Fig. 2A), wherein chair is made to enclose in a first direction
Being rotated repeatedly around the axis of rotating base 109 can be such that the height increases, and rotate in the opposite direction reduce the height.Bottom
Disk 108 is tightly connected on rotating base 109 and is connected on the handrail and sidewall sections 119 of chair.The chassis is substantially
It is symmetrical, (operation of cylinder will be discussed later) relative to the symmetry axis conllinear with cylinder 106, but near observer
Sidewall sections 119 removed from figure for clarity in figure 1A.Knob 111 extends to chair from the right side of side wall 119
It is internal.Second knob is present in the left side of side wall 119.Frame 110 is movably supported at by knob 111 on side wall 119,
It advances in the slit 306 (see Fig. 3, Figure 10 E to Figure 10 G) of mounting plate 316 of the knob at chair front end and is located at chair
On the anchor rack 701 (see Fig. 7) of rear end.
Frame 110a to 110d is connected in backrest module (being described later referring to Fig. 7 and Fig. 8).The seat of chair
Position is (not shown) to be located on frame 110a to 110d.Three sides of rectangular frame 110 are shown as front 110a, the right in figure 1A
110b, back 110c, and Article 4 (left side) side 110d is shown in fig. ib.Similarly, in figure 1A for clarity, merely illustrating
One of two backrest modules 700 (see Fig. 7) and one of two foot rest components 115.Figure 1B is shown completely
Mechanism, it has complete chassis and frame and two backrest modules and two foot rest components.Frame 110a to 110d is also
It is connected on these foot rest components (will be described later referring to Fig. 5).When chair is swayed, seat, frame and leg rest
Board group part is forward and upward sliding.Mounting plate of the movement at seat, frame and foot rest component by knob 111 shown in fig. 3
Opposite " movement " in slit 306 in 316 is controlled.In fact, 119 remains stationary of knob 111 and sidewall sections, and seat
Position, frame and foot rest component are slided relative to knob 111 and chassis 108.Frame 110a to 110d also pivotal point 112a extremely
It is removably couplable at 112b on cylinder 106.Frame 110 includes the slit formed by parallel supporting member 113, the slit
Cylinder 106 is prevented because the seat of chair is pushed down too far and is damaged, at the same also these supporting members not with
The main body of cylinder allows frame 110 to be snugly located on cylinder 106 in the case of being directly in contact.
With reference to figure 1B and Fig. 3, cylinder 106 is also connected on cross bar 105 at its second end.The left side and the right side of cross bar 105
While at the end of link component 311 312 on connecting rod to foot rest component 115.Place passes through pivotal point to cross bar 105 in the middle
112b is connected on cylinder 106.When lever 117 is pulled to backrest backward, it discharges locking mechanism, to make foot rest component
It is unfolded forward with the help of the power that cylinder is applied.Lever 117 can be then pushed rearward to appropriate location, by toe board
Component is locked in desired extended position, the partially unfolded to being fully deployed.
Many prior art toe boards for chaise longue forward extend out about 15 " -16 " from the leading edge of seat cushion.In view of for
The knee rear portion of occupant is generally in the edge of seat cushion for the occupant of chair, then the foot of occupant is normally suspended above leg rest
On the front of plate.It has been found that actually some embodiments of the present invention have with the prior art chair by disadvantages mentioned above
Allow up to 20 in the chair for having similar seat height " toe board elongation.16 " extension of length has been prior art chair
In a limitation, which is originated from the space limitation below chair, and space limitation can limit and can be used for generating the extension
Attachment length.However, each embodiment of the present invention is used by using novel toe board supporter simultaneously
Less vertical space below chair and the extension for realizing bigger.
Promote in the toe board supporter its be capable of providing the additional one side supported on a small quantity be used it is a kind of two-sided
Plate footrest system, wherein there are main toe board panel 102 and the panels of referred to as fin-shaped panel 103.Fig. 2A shows to work as and put
The orientation of these panels when sole is in the closed position.Main toe board panel 102 is located in the plane of general vertical, and fin-shaped face
Plate 103 is located in the plane of general horizontal.Fig. 2 B are shown when main toe board panel rotates and is lifted to shown in Fig. 2 C
When horizontal open position, fin-shaped panel how around main toe board panel lower edge rotate.Embodiment shown in Fig. 1
In, fin-shaped panel is overall with panel, and width is equal with main toe board panel and seat cushion.
The embodiment of the present invention includes cylinder 106, which has the sliding for voicelessly positioning toe board 102,103
Bar and piston.The cylinder can be locked, to prevent the extension and retraction of sliding bar.The cylinder can also be opened, at this time
Cylinder applies a pressure, which is intended to that sliding bar is made to extend.When the valve of cylinder is opened and is against the trend and is applied
When adding a sufficiently strong pressure, sliding bar is retracted, it means that in the case of chaise longue, toe board is retracted.If do not applied
The counter pressure, then sliding bar extends, and toe board is unfolded.Locate in any position, either fully extended, complete contracting
It returns or centre position, cylinder can close, to lock at various locations toe board.
In order to open foot rest component 115 from closed position, the occupant of chair can be with pull lever 117, to use
Liang Ge mechanisms open toe board：A hinged support arm 500 (being shown in FIG. 5) being connected on installation frame 300, with
And the coordination reaction of spring and cylinder.About the first mechanism, mechanical force can be transferred to roller pin (in Fig. 3 by pull lever
Entry 338), which pushes foot rest component 115 to open position.About the second mechanism, pull lever 117 can pull one
Root cable, the valve of the cable starting cylinder 106.It discusses with reference to figure 3, Fig. 9 A to Fig. 9 C and Figure 10 A to Figure 10 I and to be applied
Each twisting resistance and thrust (A-L).In closed position, the most of connecting rods for constituting toe board and its support system are in a water
In plane, which is tightly pulled up under seat, to allow for chair " high foot " appearance and with ground
A large amount of gaps of plate.The sum of weight of these connecting rods in the horizontal plane generates significantly downward load.The load must quilt
It offsets, so that position that toe board is maintained at closing, turning up.Since cylinder 106 is most favorably oriented to generate upwards
Power, it is advantageous to so that line extension spring shown in Fig. 9 A to Fig. 9 C is cooperated with cylinder 106 to ensure that these connecting rods are kept
In closed position.Cylinder 106 is that cable in shell 356 (see Fig. 3) is arranged starting and cause to start by pulling
Required pull distance is smaller, but the upward position that toe board is biased from its wire spring is pushed down on required roller pin
Displacement is relatively large.It is advantageous to have spring connection between the cable in lever 117 and in its shell 356 so that
Pull lever 117, which is passed through entire motion range, will not make cable excessively extend and damage cylinder.In order to realize the purpose
And correctly to the cable end pulled with handle 117 to be adjusted and position, can use has sliding and adjustable whole plate
A system, described by Fig. 3.
Each embodiment according to the present invention, the chair can have the backrest 104 swayed, the backrest to be independently of leg rest
What plate can be adjusted infinitely.Any desired position that the occupant of the chair can sit into stand up position or sway backward, and
Toe board independently can also be adjusted to any desired extended position with the movement of backrest.In an embodiment of the present invention,
Swaying backward can backward be leaned on by the occupant of chair to realize, without using starter mechanism or providing additional power,
Such as handrail is pushed down on arm by occupant.Two-level spring and push and pull system may be used, to ensure to sway in user
All positions at, the user all feel only need a substantial constant a minimum force can sway or erectly be moved to
Any position.This power needed can be adjustable via a compression, spring knob and friction plate system, as later
With reference to described by figure 8.
According to some embodiments of the present invention, which can realize substantially 20 " " high foot " form toe board stretch out,
This means that a large amount of gaps are equipped between the visible lower edge of the toe board of floor and closing, such as generally 7 ".It realizes
The configuration needs that big quantity space is overcome to limit.Preferably, seat cushion is located at the comfortable level of liftoff plate, to be easy to take chair
With leave chair, and foot is placed on floor and comfortably takes a seat when toe board is closed.This be converted into from floor to seat cushion always away from
From limitation.The seat cushion itself occupies the major part in the vertical space, and the gap below the chair occupies the vertical sky
Between another major part.In this way, the toe board folded must be retracted into and firmly be stored in remaining space.The present invention's
Toe board mechanism has actually been placed at least as low as 4 by embodiment " in the space in vertical gap.In this way, the toe board must also
It must can extend in the vertical limitation of realization, that is, toe board will not hit floor.These configurations are examples through the invention
Property embodiment realizes, as described in detail.
The operation of component 115 for extending toe board is described referring now to Fig. 3 and Fig. 4.It is closed when toe board is in
When position, the operation of toe board starts in user (being typically the occupant being sitting on chair) actuation lever 117 of chair.
Lever 117 is rotated clockwise around point 342, and at this point, lever is fixed in actuating component 313 and pivotly connects
It is connected on mounting plate 316.As lever 117 rotates clockwise, pin 338 just starts to squeeze the bending being located near pivotal point 335
Link component 310 in indented region.The interaction is shown in FIG. 4, and the figure shows in the closed position in toe board
When the mechanism.Fig. 3 shows the mechanism when toe board is in an open position.Link component 310 can at rivet point 335
It is pivotally connected in rear portion installing arm 302, and is therefore applied to the pressure on link component 310 indirectly also from lever 117
It is transferred in rear portion installing arm 302, which just begins around it and be pivotably connected to institute on link component 310
The rivet point 340 at place and move clockwise.Link component 311 is pivotably connected to mounting plate 316 at rivet point 318 again
On.Link component 310 and 311 provides the support to toe board by rivet point 335.The configuration of link component 310 and 311 is determined
Toe board has been determined relative to leverage possessed by cylinder.Toe board is affected relative to the configuration of the leverage of cylinder works as
When cylinder is in the locked position using toe board compliance for the use of user experience.When lever is moved clockwise so as to put
When sole extends, link component 310 and 311 is additionally operable to push toe board forward relative to lever 117.It is narrow in mounting plate 316
Slot 347 fixes the front end (being shown in Figure 10 A) of spring 122.The other end of spring 122 is connected to the slit of backrest module
On 706 (being shown in FIG. 7).
The movement of lever 117 is limited by pin 339, slit 309 (be shown in FIG. 5) of the pin in mounting plate 316
Coboundary and lower boundary between advance.When pin 339 reaches lower boundary during toe board extends, toe board is due to cylinder
106 and the power that is applied of spring 901 (being shown in Fig. 9 A to Fig. 9 C) and continue to extend.Cylinder is connected to cross bar 105 (in Figure 1A
In show) on, which is connected on the tip 312 of link component 311 and is transmitted to foot rest component by power from cylinder
115.Spring 901 (not shown) is connected to a little 343 and 334.When toe board is closed, spring 901 prevents beating for foot rest component
It opens and these connecting rods is retained in close space.When toe board is opened, which is also prevented from the closing of link assembly,
It is set to stay open.
With continued reference to Fig. 3, Fig. 4 and Fig. 5, the mechanism for being used to open cylinder will now be described.Actuating component 313 is in pivotal point
It is pivotably connected at 336 on sliding component 314.As actuating component 313 rotates clockwise, it makes 314 edge of sliding component
It frame 110b and is slid horizontally to front.Pin 337 on frame 110b and with sliding component 314 slide and along
It advances at top.Sliding component 314 passes through the spring 121 (in Figure 10 A show) that is connected at installation point 346 and installation point 362
And it is connected on sliding component 354.The use of spring 121 makes sliding component 354 be slided according to the distance that sliding component 314 slides
It is dynamic, but the distance proportional reduction according to the tension of spring 121.Knob 355 is pulled when sliding component 354 slides, to
The cable in shell 356 is pulled with thrust A ', and then opens the valve of cylinder 106.The sliding distance of the proportional reduction is advantageous
, because the cable may only move relatively short distance, and the performance of cylinder will not be adversely affected.However,
Comfortably operation throwing is much bigger away from being intended to for lever 117, and the movement of lever 117 is simultaneously for starting to push leg rest board group open
Part, this need longer throwing away from.Sliding component 354 further includes slit, and rivet 361 and 360 are just located in these slits.Slit
Length is additionally operable to prevent cable to be pulled too far by hindering the traveling of the sliding component 354.One handle extended element 304
It is connected at pivotal point 336 on sliding component 314 and is connected on handle 117 at pivotal point 340.Handle extended element
Slit 352 at 304 bottoms fixes a spring (not shown), and the other end of the spring is retained on the pillar of mounting plate 316
So that handle is biased to forward position on 330.Handle extended element 304 is moved around the slit 308 of mounting plate 316.
Fig. 5 is a foldable leg rest for being in shown in Fig. 1 to Fig. 4 in the chair embodiment of half expanded position
The perspective view of board group part.These foot rest components include a pair of hinged support arm extended connected with multiple components.It is right below
The description of the hinged support arm of extension is equally applicable to the hinged support arm of the extension on the right and the left side, and the two is mutual mirror
Picture.
The hinged support arm 500 of extension includes the elongated primary supporting member 504 of bending, when toe board is in an open position
When, which extends out along the major part of foot rest component below the seat front for having seat cushion.This is first
The near middle of grade supporting member 504 forms the elbow of a rearward location bias so that in the folding position of chair and prolongs
It is shorter than preceding part to stretch position posterior part, which is arranged essentially parallel to floor.Preceding part is with rear position at 135 ° to 165 °
Between angle θ so that it is stretched out forward and upwards in extended position and closed position.Permit at angle between the two parts
Compact structure is realized in seats low closed position, wherein component 115 is kept substantially raises from floor.It retouches below
Installation frame 300 is connected to by a series of scissor type linkages (for example, the point at two component places of being pivotally connected to one another) stated
On the primary supporting member 504 of bending and it is connected further in the flip portion of toe board supporter.Primary supporting member
504 vertical size is sufficiently large, to extend to a series of this connecting rod set by the inner space towards foot rest component 115
Top ridges above and bottom heave below, to hide dwelling in the component for the position being fully deployed.Similarly, primary
The length of supporting member 504 will extend forwardly and rearwardly front to chair from toe board panel 102,103.However, these rulers
The very little primary supporting member 504 for being constrained by seats underlying space and cannot centainly making bending is sent out with floor or chassis
Raw contact.The primary supporting member 504 of bending is installed at rivet point 512 and 507 by front installing arm 502 and rear respectively
Arm 302 and be removably couplable on installation frame 300.Front installing arm 502 is also pivotably connected at rivet point 506
On the control member 505 of one extension.The control member of front installing arm 502, the primary supporting member 504 of bending and extension
The relative position being pivotally connected between 505 be so that, with toe board be extended and front installing arm 502 around rivet
Point 512 is rotated clockwise relative to the primary supporting member 504 of bending, and the control member 505 of extension is far from the downside of chaise longue
It is parallel to the preceding part of the primary supporting member 504 of bending on direction and advances.
Pivotal point 512 engages two parallelogram：Parallel four side of the parallelogram and a rear in one front
Shape 116.The parallelogram in front has apparent rectangular shape, control member 505 and bending of its long side by the extension
The preceding part of primary supporting member 504 formed, and its short side is by the preceding part of front installing arm 502 and link component
505 preceding part is formed.Pivotal point 512,520,506 and 523 forms four turnings of the rectangular parallelogram in front.Actuating
The parallelogram in front of this makes the expansion of leg rest plate part 102 and 103 keep discrete profile when from side simultaneously afterwards,
So that these connecting rods are easy to behind be hidden on the superior member 504 for fitting snugly in bending lid 601.Rear
There is parallelogram slightly unconspicuous rectangular shape, wherein its four edges to have similar but not necessarily equal length.Afterwards
The parallelogram of side pushes forward toe board and by the primary supporting member 504 of bending from its close stance below seat
Set the position for being pushed to extension.In extended position, its all connecting rods are substantially primary that is flushing and being hidden in bending
Without being seen behind supporting member 504.Pivotal point 512,507,341 and 503 forms four of the parallelogram in front of this
A turning.The parallelogram at rear movement can by using be attached on anchor 343 and 344 spring 901 (Fig. 9 A extremely
Shown in Fig. 9 C) and be biased towards expansion or retracted position.
The control member 505 of extension is connected on a series of connecting rods, thus when the control member of extension 505 is parallel to simultaneously
And when advancing lengthwise along the primary supporting member 504 of bending, these connecting rods are started and toe board are made to be unfolded.The control of extension
Component 505 processed further includes bracket 508, which is used to bridge right leg rest in figure 1A for installing a panel 101, the panel
Board group part and left foot rest component.The panel on the support arm that the two extend be mounted on extend control member on and
Structural stability is provided for the component.The control member 505 of extension is in the riveting positioned at intermediate 509 near middle of leg rest board member
It is pivotably connected on intermediate leg rest board member at nail point 510.Intermediate leg rest board member 509 is also at rivet point 513
It is pivotably connected on the primary supporting member 504 of bending.When the control member 505 of extension longitudinally and is parallel to bending
Primary supporting member 504 when advancing, it keeps intermediate leg rest board member 509 suitable relative to the primary supporting member 504 of bending
Hour hands rotate and are upwardly into extended position, to be lifted fin-shaped panel 103 (Figure 1A).Intermediate leg rest board member 509 is also
Including bracket 511, which is connected on main toe board panel 102 (Figure 1A).Panel 101 is supported with the extension on the left side on the right
It is mounted on arm on intermediate leg rest board member and provides structural stability for the component, also for toe board provide support.
The control arm 505 of extension forms a polygon (5 together with the primary supporting member 504 of bending, its preceding part
Side), which starts the deployment and retraction of toe board panel.
The control arm 505 of extension is connected to the middle part of link component 514 at rivet point 520.Link component 514 is in rivet
It is connected on link component 515 at point 522, link component 515 connects back to the primary support structure of bending at rivet point 521 again
On part 504.Link component 514 is also connected on link component 516 at rivet point 523, and link component 516 is in rivet point 524
Place is connected to forward on the leg rest board member 517 of end.When the control member 505 of extension is parallel to the primary supporting member of bending
When 504 advance, a series of this link component 515,514 and 516, which stretches, is equivalent to roughly conllinear position.Link component
516 advance, to make the leg rest board member 517 of end around the leg rest that intermediate leg rest board member 509 is connected to end
Rivet point 519 on board member 517 is rotated clockwise relative to intermediate leg rest board member 509.The leg rest board member of end
517 further include bracket 518, which is connected on fin-shaped panel 103 (Figure 1A).Fin-shaped panel 103 is in the two extension supports
Structural stability is provided on arm on the leg rest board member of end and for these components, also for toe board provides support.
Fig. 9 A, Fig. 9 B, which are shown with Fig. 9 C in the form of floor map, acts on parallel four side in the rear of toe board mechanism
Power in shape, these power make the fully retracted position shown in Fig. 9 A of primary supporting member 504 swing to shown in Fig. 9 B
Centre position and swing to partial open position shown in Fig. 9 C.It can such as see in figure 9 a, the spring 901 of deflation
Primary supporting member 504 is retained on the fully retracted position flushed with mounting plate 316 by tension, until lever 117 is caused
Until dynamic.The actuating of lever 117 makes two power L and K that one unlatching moment to be applied on rear installation component 503：(i) first
Power (being indicated with L) is after the arm 313 (Fig. 3) being rigidly connected on lever 117 (Fig. 3) by component 310 (Fig. 3) is applied to
On square installation component 302；And (ii) second power (being indicated with K) is generated by the opening of the valve on cylinder.This
The combination of one power and the second power overcomes the tension of spring 901, and (toe board is being retained on the position being fully retracted by the tension always
Set) and stretched spring 901.When being orientated shown in toe board mechanism reaches Fig. 9 B, no longer apply the first power；However,
Cylinder still generates forward thrust to open toe board mechanism, and tension force of spring is now on forward direction by leg rest trigger
Structure moves open position to.The spring and cylinder can continue to shift toe board mechanism onto shown in Fig. 9 C partial open position,
And until further up to toe board mechanism is in its fully open position.Any moment in the opening procedure,
With trip lever to close the valve on cylinder, to stop the opening procedure.It is beaten in this way, toe board mechanism can stop at part
Open position.
Fig. 6 shows when toe board extends, the assembly of lid that the right connecting rod for extending support arm 504 is hidden.Pass through
Bolt hole 602 is connected on bolt hole 605 with bolt and bolt hole 603 is connected on bolt hole 604, the support of bending
Component lid 601 is attached on the primary supporting member 504 of bending.The supporting member lid 601 of bending include along top margin and
The antelabium 610 on bottom edge, the antelabium surround each side of the primary supporting member 504 of bending and snap over the primary support of bending
On component.Intermediate connecting rod lid 606 is attached to via bracket 608 on bracket 511, and the connecting rod lid 607 of end passes through
It is attached on bracket 518 by bracket 609.When toe board is fully extended, and then the observer institute of chair is it is seen that tool
There is the single arm of smooth cleaner appearance.The company of the supporting member lid 601 of bending, intermediate connecting rod lid 606 and end
Bowl cover 607 can be made of stainless steel, timber or other acceptable materials, these acceptable materials be preferably it is solid and
It is attractive so that toe board seems by single arm (style attractive and the component that matches) support.In the prior art
In many foot rest components, toe board extension mechanism is endangered by form ugly of various scissor type linkages and/or pivot links
The component of danger, both connecting rods aesthetically apparently have no attraction and have the danger for pricking and cutting.It is a kind of by developing
Toe board support component (such as the retouching above for Fig. 5 of especially narrow profile is presented during extension and when fully extended
State), the covering member that safe and attracting profile is presented as shown in Figure 6 can be provided.
In one embodiment, which uses a kind of chaise method, it means that when open, from seat cushion
There is the appearance of continuous band pad surfaces to the leading edge of toe board." the use of thick liner that this is related to about 2.The liner can
Flatly to protrude about 6 forward " and the prolongation of seat surface can be considered.The liner 6 " has at this after prominent
The seam specially designed and small vision closing line or gap, and the liner of same thickness continues thereafter with advance and crosses over wood
Residual gap between toe board support panel processed and seat cushion front.The liner no visual interruptedly continues to fin-shaped panel
Leading edge.In closed position, the seam specially designed be seat cushion bottom with the vertical section of closure of main toe board panel it
Between visual division.This 2 " liner be in formed in the positive closed position of seat cushion.Main toe board panel preferably has accurate
It is that the pad surfaces being located in perpendicular and the seam specially designed are preferably to be tensioned and be pulled backward, to
Generate in the visible bottom of seat cushion and between the beginning of main toe board straight and fixed closing line.In order to make the thin liner fix
And be aligned, a drawstring is sewn in the seam specially designed that this is attached in centre panel.Centre panel with specially set
The relative movement of the seam of meter generates in drawstring to be positioned with liner by the seam and is directed at required tension, because of the median surface
Plate covers the front of seat cushion and the main toe board panel of lower section.The combination of these elements produces attracting in open position
The appearance of the conversational style of the underlying seat cushion of toe board in toe board and seat cushion and closed position.
The operation of backrest according to an embodiment of the invention is described referring now to Fig. 7.The backrest is configured to make
The occupant for obtaining chair can be by leaning on, being applied to weight on backrest starting component 700, to make backrest sway backward.Support
Frame 701 is rigidly connected on the inside of handrail (not shown) of chair.The handrail is in the operating process of toe board or backrest
Relative to the pedestal remains stationary of chair (107,108,109), to serve as the anchor point at bracket 701.The v-component of swing
114 are pivotably connected at rivet point 704 on bracket 701.Oscillating structural member 114 is also connected to a backrest (Figure 1A
In entry 104) on, which serves as the primary structure component of backrest.Apply when by thrust G (in Figure 10 E show)
When swaying to bracket 104 and backrest, a thrust H (being shown in Figure 10 E) moves the oscillating structural member 114, the oscillating structural member
It is rotated clockwise around rivet point 704, and the frame 110 of chair while forward slip.One plate 703 is in rivet point 710
Place is pivotably connected on oscillating structural member 114.As backrest is swayed, plate 703 rotates counterclockwise around rivet point 710, together
When against the frictional force that resistance assembly 711 applied, be such as shown in further detail from Fig. 8 from bottom.Before resistance assembly 711
Into by the slit in link component 709, which is pivotably connected at rivet point 708 on link component 705.
When resistance assembly 711 reaches the end of the slit 702 in link component 709, link component 709 is forced to advance, to make company
Bar component 705 rotates counterclockwise around rivet point 707, and wherein link component 705 is pivotably connected on plate 703.When even
When bar component 705 starts rotation, the spring 122 being connected between mounting hole 706 and 347 (see Fig. 3) (shows) quilt in Figure 10 A
It stretches.The stretching of spring 122 provides the behavior of swaying of backrest additional resistance, only in back part sways to resistance group
After part 711 has slid through the abundant degree of the slit in link component 709, which just starts to be applied in.The configuration
It is advantageous, because the occupant with chair sways, the rotary force provided by the weight of occupant increases.In constant resistance
In configuration, it may cause unexpected bounce, occupant that may feel this uneasy in the centre of reclining motion in this way.By oblique
It leans on the intermediate of movement and increases resistance, smoother movement may be implemented.In addition, needing to overcome resistance from position of swaying lifting backrest
Friction in component.The occupant of chair leans on back by the way that its weight is transferred to seat and bottom, can provide at least some
The power needed.However, in addition, adjusting the spring of resistance during reclining motion can also to a certain extent help complete
Backrest is lifted between position of swaying and part position of swaying, method is to transmit and hinder backrest in the latter half of reclining motion
The identical tension declined.
Resistance assembly 711 is more fully described referring now to Fig. 8.Resistance assembly 711 includes a screw 801, the spiral shell
The both ends of nail are blocked by nut 807 and 808.Adjustment knob 803 on screw 801 can be used for being decreased or increased adjustment
The distance between knob 803 and resistance component 804 will increase or reduce the tension for being applied to spring 802 respectively in this way.Washer
806 are inserted between knob 803 and spring 802, to provide support to knob 803.Between knob 803 and resistance component 804
The compression of spring 802 is converted to the pressure drag fought to the component 804 being resisted against in resistant layer 807.Resistance component
804 pass through the slit in link component 709 and CONTACT WITH FRICTION will not occur with link component 709, to allow resistance assembly
It is free to slide relative to link component 709, until reaching the end of slit.Resistance component 504 also extends through in resistant layer 807
Slit.Resistance component 804 makes a pair of of washer 805 (every side of resistant layer 807 one) that firm connect occur with resistant layer 807
It touches, to form tight compression between resistance component 804, the first washer 805, resistant layer 807 and plate 703.Adjust knob 803
Therefore the resistance between control resistant layer 807 and washer 805.
Figure 10 A to Figure 10 I are the side view of chaise longue and its internal part.Figure 10 A to Figure 10 E are shown from completely closing position
Set the toe board mechanism for advancing to fully open position.Figure 10 F to Figure 10 I show the backrest at different amounts of inclination.
The toe board that Figure 10 H show the backrest swayed completely and partially open.Figure 10 I show the backrest that part is swayed and close completely
The toe board closed.
With reference to figure 10A, the thrust A of lever 117 is applied to most by reference to a series of this connecting rod that Fig. 3 to Fig. 5 is described
Power B downwardly and forwardly is transferred on elongated supporting member 504 at last, and power C downwardly and forwardly is transferred to fin-shaped panel
On 103, and upward power D is transferred on toe board panel 102.Figure 10 B and Figure 10 C show elongated supporting member
504 is how downward relative to the stationary base component formed by rotating base 109, pivot post 118, chassis 108 and pedestal 107
And it moves forward.Figure 10 D show how the thrust generated on cross bar 105 by cylinder 106 is converted into elongated supporting member
Forward force E on 504, and how upward power C is converted by the connecting rod of foot rest component 115.Figure 10 E are shown by chair
The rearward force G and the H that travels forward on 114 pedestal of oscillating structural member that sub- occupant is applied on rear panel 104.The two power
Effect jointly by position of swaying rear panel 104 and seat plinth frame 110 relative to static base assembly and handrail
It pushes forward.With reference to figure 10E to Figure 10 G, frame 110 travels forward on the static handrail forced on side wall 119
Static knob 111 is advanced in the slit 306 of mounting plate 316, so that frame 110 forward and be pushed up.With reference to figure 10G and
Figure 10 H, the down thrust applied by the foot of chair occupant generate downward force I, which engages the connecting rod of foot rest component 115
It is converted into rearward force I and J onto negative direction, and by starting force I.Figure 10 I are shown when seat is kept relative to stationary base
Forward and raise and toe board that when backrest is swayed is fully retracted.Figure 11 show with frame parts 110a-d, 113 with
And the seat assembly of bracket 1101 and 1102, these frame parts and bracket are used to prevent the movable part of Handleset from room
The damage of built-in ornaments.
Each embodiment of invention as described above only wants to be illustrative；It will be appreciated by those skilled in the art that being permitted
It is change and change more.All such changes and modification are desired to be within by any the scope of the present invention defined in the appended claims
It is interior.
Claims (8)
1. a kind of chair, including：
One seat part, there are one front, a rear portion and both sides for seat part tool；
One backrest, the backrest are extended with an angle from the seat part, and the angle of the wherein backrest is adjustable；
One friction plate, the friction plate are positioned adjacent to a pivotal point of the backrest；
One resistance assembly；And
One extension spring, which is connected to this and leans on back, wherein the angle when the backrest is in a stand up position
When between a centre position, which is adiaphorous, wherein when the angle of the backrest be in the centre position with
When between one complete position of swaying, which leans on this mobile offer resistance backwards to the complete position of swaying.
2. chair according to claim 1, the wherein resistance assembly include：
One compressed spring, the compressed spring is adjacent to the friction plate；And
One knob, for the knob adjacent to the compressed spring, wherein the knob, which can be adjusted to alter, makes the angle of the backrest send out
The amount of power needed for changing.
3. chair according to claim 1, further comprises：
One link component, the link component are connected to this and lean on back；And
Wherein the link component to the resistance assembly relative to the friction plate between a first position and a second position
Movement limited；And
Wherein when the backrest is in the stand up position, the resistance assembly is in the first position, wherein when the backrest is upright from this
The resistance assembly advances to the second position when position is moved to the centre position.
4. chair according to claim 1, further comprises：
One link component, the link component are connected to this and lean on back；And
Wherein the link component is selectively engaged the extension spring, to only in a selected portion for swaying mobile for the chair
Extend just the spring during point；
Wherein when the backrest is in the stand up position, the extension spring is in no active position；And
Wherein during the angled finite part swayed of the backrest, which is extended.
5. a kind of furniture, including：
One backrest that can be swayed, the backrest by user leans on backward activate into a stand up position with one completely
It is ad infinitum to adjust between position of swaying；
Wherein, first level resistance is undergone in reclining motion of the backrest between the stand up position and a centre position,
And the second horizontal resistance is undergone in the reclining motion between the centre position and the complete position of swaying, the second horizontal resistance
Power is more than the first level resistance,
Wherein, which is added by the first level resistance that is provided by resistance assembly is provided by extension spring
Other resistance and generate, when the backrest is swayed from the centre position towards the complete position of swaying, the extension spring is drawn
It stretches.
6. furniture according to claim 5, wherein the resistance assembly includes：
One compressed spring, the compressed spring generate the frictional force opposite with translational motion.
7. furniture according to claim 6, wherein the resistance assembly further comprises a knob, and the knob is for leading to
It crosses and adjusts the load in the compressed spring to adjust the first level resistance.
8. furniture according to claim 5 further comprises a toe board,
Wherein, which extends independently of the backrest.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161516134P | 2011-03-30 | 2011-03-30 | |
| US61/516,134 | 2011-03-30 | ||
| CN201280015832.XA CN103491826B (en) | 2011-03-30 | 2012-03-29 | Chaise longue |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280015832.XA Division CN103491826B (en) | 2011-03-30 | 2012-03-29 | Chaise longue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105361488A CN105361488A (en) | 2016-03-02 |
| CN105361488B true CN105361488B (en) | 2018-09-07 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510844572.2A Active CN105361489B (en) | 2011-03-30 | 2012-03-29 | Seat |
| CN201510836650.4A Active CN105361488B (en) | 2011-03-30 | 2012-03-29 | Chair and furniture |
| CN201280015832.XA Active CN103491826B (en) | 2011-03-30 | 2012-03-29 | Chaise longue |
| CN201510836445.8A Active CN105361487B (en) | 2011-03-30 | 2012-03-29 | Chair and furniture |
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| CN201280015832.XA Active CN103491826B (en) | 2011-03-30 | 2012-03-29 | Chaise longue |
| CN201510836445.8A Active CN105361487B (en) | 2011-03-30 | 2012-03-29 | Chair and furniture |
Country Status (3)
| Country | Link |
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| US (4) | US8882190B2 (en) |
| CN (4) | CN105361489B (en) |
| WO (1) | WO2012135510A1 (en) |
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| Publication number | Publication date |
|---|---|
| US20150021959A1 (en) | 2015-01-22 |
| CN105361489A (en) | 2016-03-02 |
| CN103491826B (en) | 2015-11-25 |
| US9504328B2 (en) | 2016-11-29 |
| US20170071346A1 (en) | 2017-03-16 |
| US10251484B2 (en) | 2019-04-09 |
| CN105361488A (en) | 2016-03-02 |
| US10966526B2 (en) | 2021-04-06 |
| CN105361489B (en) | 2019-03-29 |
| US20120248831A1 (en) | 2012-10-04 |
| US8882190B2 (en) | 2014-11-11 |
| CN103491826A (en) | 2014-01-01 |
| WO2012135510A1 (en) | 2012-10-04 |
| CN105361487A (en) | 2016-03-02 |
| US20190223599A1 (en) | 2019-07-25 |
| CN105361487B (en) | 2018-12-18 |
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